388640545 (number)

388640545 is an odd 9-digits composite number following 388640544 and preceding 388640546. In scientific notation, it is written as 3.88640545 × 10^8. The sum of its digits is 43. It has a total of 4 prime factors and 16 positive divisors. There are 297025344 positive integers (up to 388640545) that are relatively prime to 388640545.

Interesting facts

Basic properties

Name

Name three hundred eighty-eight million six hundred forty thousand five hundred forty-five

Notation

Scientific notation 3.88640545 × 10^8
Engineering notation 3.88640545 × 10^6

Prime Factorization of 388640545

Prime Factorization 5 × 23 × 1087 × 3109

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 388640545
Product of the distinct prime numbers

The prime factorization of 388640545 is 5 × 23 × 1087 × 3109. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 1, 19, 69, 584, 885, 7115, 8632, 10667, 82842, 297612, 9127, 4245532, 7710369, 30868214, 53432024, 608930529, 169740892, 5342857965, 9779423093

Basic calculations (n = 388640545)

Multiplication

n×y
n×2 777281090
n×3 1165921635
n×4 1554562180
n×5 1943202725

Division

n÷y
n÷2 194320272.5
n÷3 129546848.33333
n÷3 97160136.25
n÷5 77728109

Exponentiation

ny
n2 151041473217897025
n3 5.8700840469006E+25
n4 2.2813526631833E+34
n5 8.8662614235675E+42

Nth Root

y√n
2√n 19713.968271254
3√n 729.76444830287
4√n 140.40643956476
5√n 52.228748723143

Divisors of 388640545

1, 5, 23, 115, 1087, 3109, 5435, 15545, 25001, 71507, 125005, 357535, 3379483, 16897415, 77728109, 388640545

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -388640544
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 388640545 can be divided by 16 positive divisors. The sum of these divisors (counting 388640545) is 1, the average is 0.0625.

Base conversion 388640545

Base System Value
2 Binary 10111001010100010111100100001
3 Ternary 1000002021222121021
4 Quaternary 113022202330201
5 Quinary 1243442444140
6 Senary 102321525441
8 Octal 2712427441
10 Decimal 388640545
12 Duodecimal aa1a3881
16 Hexadecimal 172a2f21
20 Vigesimal 6190175
36 Base36 6fdwyp

Cryptographic Hash Functions

md5 b7d8f9c183e73f4ed24ff1e9fdb84910
sha1 3399248f7e51601da717af4b4248e29c944ad47e
sha256 b67285d3ff0e4967e4f4ecbf02e27b3111ccc7881e1133fe967e5d85e4d987fc
sha512 1157343ccb9cc989e0fbfbf29bea3d2898b7794b42b58e4ff5d0c95c4ef0820e9bec8fabbdaa0bc99aa6e37ca0628b5cdedd3038899ad2cf7283e213c467f62a
ripemd-160 4e36fea55250f32cbe23bab1ced8cfa4b9334ff4

388640545 as geometric shapes

Circle

Radius = n
Diameter 777281090
Circumference 2441900562.1183
Area 4.7451078264872E+17

Sphere

Radius = n
Volume 2.458855055693E+26
Surface area 1.8980431305949E+18
Circumference 2441900562.1183

Square

Length = n
Perimeter 1554562180
Area 151041473217897025
Diagonal 549620729.62707

Cube

Length = n
Surface area 906248839307382150
Volume 5.8700840469006E+25
Space diagonal 673145169.82126

Equilateral Triangle

Length = n
Perimeter 1165921635
Area 6.5402876415863E+16
Altitude 336572584.91063

Triangular Pyramid

Length = n
Surface area 6.5402876415863E+16
Volume 6.9179603928307E+24
Height 183206909.87569